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Date: Wed, 3 Jun 2026 18:40:46 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Ivan Vecera <ivecera@redhat.com>
Cc: netdev@vger.kernel.org, Arkadiusz Kubalewski
 <arkadiusz.kubalewski@intel.com>, "David S. Miller" <davem@davemloft.net>,
 Donald Hunter <donald.hunter@gmail.com>, Eric Dumazet
 <edumazet@google.com>, Jiri Pirko <jiri@resnulli.us>, Michal Schmidt
 <mschmidt@redhat.com>, Paolo Abeni <pabeni@redhat.com>, Pasi Vaananen
 <pvaanane@redhat.com>, Petr Oros <poros@redhat.com>, Prathosh Satish
 <Prathosh.Satish@microchip.com>, Simon Horman <horms@kernel.org>, Vadim
 Fedorenko <vadim.fedorenko@linux.dev>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v5 3/4] dpll: zl3073x: add per-DPLL
 serialization lock
Message-ID: <20260603184046.4c834317@kernel.org>
In-Reply-To: <20260531194423.383366-4-ivecera@redhat.com>
References: <20260531194423.383366-1-ivecera@redhat.com>
	<20260531194423.383366-4-ivecera@redhat.com>
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On Sun, 31 May 2026 21:44:22 +0200 Ivan Vecera wrote:
> Add a per-DPLL mutex that serializes all operations on a given DPLL
> channel across DPLL netlink callbacks, the periodic kthread worker,

Sounds like there are already two entities accessing the state?
If so why is this not a fix?

> and (in subsequent patches) PTP clock callbacks.